#37A9CE#37A9CE

#37A9CE is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.7% C 0.113 H 224.1°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#37A9CE
RGB	rgb(55, 169, 206)
HSL	hsl(195, 61%, 51%)
HSV	hsv(195, 73%, 81%)
CMYK	cmyk(73.3%, 18%, 0%, 19.2%)
CIE-LAB	lab(64.68, -19.47, -27.96)
CIE-LCH	lch(64.68, 34.07, 235.15°)
OKLab	oklab(68.75% -0.0809 -0.0783)
OKLCH	oklch(68.75% 0.113 224.1)
XYZ	xyz(26.8995, 33.6412, 63.4563)
Luminance	0.3364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A9CE #CE5C37

analogous

#37CEA7 #37A9CE #375DCE

triadic

#37A9CE #CE37A9 #A9CE37

tetradic

#37A9CE #A737CE #CE5C37 #5DCE37

square

#37A9CE #A737CE #CE5C37 #5DCE37

split-complementary

#37A9CE #CE375D #CEA737

monochromatic

#1B5B6F #2783A0 #37A9CE #68BEDA #99D3E6

Accessibility & contrast

On white

2.72

#37A9CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#37A9CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A9CE

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A9CE	#FFFFFF	#000000	##000000
##37A9CE	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A5D0

Deuteranopia (green-blind)

#8096CE

Tritanopia (blue-blind)

#00B4B5

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #37a9ce;
/* rgb */ color: rgb(55, 169, 206);
/* oklch */ color: oklch(68.7% 0.113 224.1);

Tailwind

colors: {
  custom: {
    50: '#83c2dd',
    500: '#37a9ce',
    950: '#000000',
  },
}

SCSS

$custom: #37a9ce;
$custom-light: #83c2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37a9ce",
  "rgb": {
    "r": 55,
    "g": 169,
    "b": 206
  },
  "hsl": {
    "h": 194.702,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68745,
    "c": 0.11258,
    "h": 224.1
  },
  "luminance": 0.33644
}

Semantic roles & 50–950 ramp

primary

#37A9CE

secondary

#D29F8F

accent

#6B44E4

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A9CE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →